Region
United States
United States --
1,281
China --
111
China
103
Japan
101
Soviet Union
94
Japan --
88
Soviet Union --
78
Europe
69
Asia
54
Europe --
51
United states --
49
Asia --
46
Great Britain
46
Middle East
43
Middle East --
37
East Asia
32
Israel --
30
East Asia --
29
Latin America
29
Israel
27
Latin America --
27
Developing countries
26
Great Britain --
24
India
21
India --
19
Asia, Southeastern --
18
Developing countries --
17
Iran --
17
Iraq
17
Taiwan --
17
Asia, Southeastern
16
Central America --
16
Iran
16
Russia (Federation) --
15
Russia (Federation)
14
Southeast Asia
14
Central America
13
Iraq --
13
Malaysia
13
Russia
13
Southeast Asia --
13
Taiwan
13
Vietnam --
13
Afghanistan
12
Canada
12
Mexico --
12
Pacific Area
12
Afghanistan --
11
Korea (South)
11
more ...